Home / 1,277,991.91-1,763,634.54-697,213.27

Finding the Fourth Proportional to 1,277,991.91, 1,763,634.54 and 697,213.27

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Solution

The fourth proportional to 1,277,991.91, 1,763,634.54 and 697,213.27 is: 962,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,991.91 : 1,763,634.54 = 697,213.27 : x
  2. Step 2: Convert to fraction form
    1,277,991.91/1,763,634.54 = 697,213.27/x
  3. Step 3: Cross multiply
    1,277,991.91x = 1,763,634.54 × 697,213.27
  4. Step 4: Simplify right side
    1,277,991.91x = 1,229,629,404,718.35
  5. Step 5: Solve for x
    x = 1,229,629,404,718.35/1,277,991.91
  6. Step 6: Final answer
    x = 962,157.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.